High rise MT Flashcards
High rise building code requirements started in ____
February 1976
What are the requirements for buildings to have fire control rooms?
Building 75 ft or higher
The window panes that can be broke are marked with what?
Maltase cross or fire helmet
how far away are hydrants supposed to be from FDC’s
100 Feet
Doors that separate various occupancies swing what direction?
Inward
Outward opening doors indicate what types of rooms?
Electric
telephone
closest rooms
Preference should be given to using risers in?
Stairwells
what can severely restrict flow on standpipe riser outlets and how do you bypass it?
Pressure-reducing valves
Break the L shaped arm that restricts the riser wheel.
Otis Gen 2 use a _____ which allows them to not have a conventional elevator room.
Flat belt design/ Belt driven system
___ Elevators bypass a portion of a building via a blind shaft?
Express
In____ service the doors will not open until the door open button has been activated.
Firemen service.
____ is used for any system in a high-rise where detection, fire protection, air handling systems, and communications are centralized for the FD use.
Fire control room
Fire phones taken off the hook trigger a notification in the?
Fire control room
What’s a system designed to allow personnel in the fire control room to communicate throughout the building including any tenant space above 1,000 sqft.
Public address system.
What are the 3 types of smoke control systems that activate in the presence of an alarm?
Stairwell
Corridor
Elevator pressurization
If more than ___ floors above the fire contain occupants a ___ should be established with a chief officer in charge.
2
Search and evacuation branch
____ Refers to normal smoke movement without impact from environmental conditions, smoke rising upwards, than migrates back downward
Mushrooming
Natural movement of air within a relatively tightly-sealed building due to the temp. Difference btw the air on the inside and outside of a structure. Smoke will rise until temps balance or stratify. the reverse when outside temp is higher than inside___.
Stack effect
Reverse stack effect
Once fire floor is reached what must be communicated?
Fire conditions
Situation report should have?
VIT
Volume of fire
Intensity of heat
Temperature seen though the TIC
If wind driven fire is present, no___ should be performed until directed by command.
Horizontal ventilation
Contents of a building have a heat release rate can allow a fire to ___
double in size every 90 seconds
Buildings under construction are required to have a riser?
Two floors below the finished floor
Personnel must not be committed to the interior for operations if?
Concrete work is still underway and the framework is in place and burning
Personnel should consider using ___ system when available.
Building communications
Command officers should consider requesting a ________ response to supplement the operation.
Rit level 2
What building systems must be brought under FD control? EAP
Elevator control
Air handler
Pump- fire pump
First fire chief on scene must establish command, the second due chief will establish___?
Fire attack group supervisor
How do you check suspended ceilings?
Physically or TIC
Residential fire flow of __ GPM get every __ Square feet. Commercial is 20GPM.
100GPM per 100 sq ft
Use a combination of what to keep attached parking garage stairwells clear of smoke?
PPV and garage ventilation system.
First due engine should? FWAARRD
Floors wind attack stairwell annunciator recall elevators rapid entry keys directory
FWAARRD
when using elevators in high rise fires what must you do?
Stop at intermediate points and check shaft for water, fire or smoke
Stop 2 floors below report fire floor
what floor does the fire have to be over to use the elevator?
6
How many companies are allowed to ride the elevator together?
2
Who should determine the attack stairwell?
Engine officer and officer of first specialty piece
Second due engine
water supply and stretch 3’’ or greater into the FDC and assist in placing firs hose line, 1 firefighter remain at the stairwell door and officer at standpipe outlet
third engine?
Secondary FDC
view opposite side
floor above fire
fourth due engine?
RIT
1 floor below the fire or outside IDLH for below grade
Fifth due engine lobby control assignments
officer and FF unit tracking and recording ( SCBA pressure, crew and times)
LB-get with building engineer and building system control ( turn on fire pump and shut down HVAC
Driver- Elevator operations
Search priority?
Residential
commercial
fire unit, exit hallways, adjacent and units across the hall
Fire area and floor, floor above, top floor, floors between fire floor and top floor.
second due truck shall?
Proceed to floor above the fire and work with 3rd due engine
insure evacuation stairwell is identified and clear of smoke
Rescue squad shall?
Deploy tag line in attack stairwell forcible entry evacuation assess fire extension assist in movement of 2.5'' handline
who is the base officer
6th due engine driver
what should second alarm or greater units bring?
2 air cylinders and high rise pack
where is staging
2 floors below the fire
Who will open a window and assess wind conditions
truck or rescue squad operating on the floor above the fire
what ventilation is the least desirable option?
vertical vent
when should a search and evacuation branch or group be activated?
more then 2 floors above the fire that still contain occupants
anticipate air cylinder will last
15-20 mins
What is the fire load in general office space, conference area and file area?
7.7 LBS/SQFT General office
Conference area is 5.9psf
file area is over 16psf
what are the effects of cold smoke
is cool and low lying smoke, characterized fires brought under control by sprinkler systems
